nuts › locknuts
MS21083B06
Military Standard Locknut
Description
Thread Size: 1/8", Nut Height: 9/64", Head Width: 5/16
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88.0 degrees nut |
| Locking Feature | Prevailing torque with nonmetallic insert |
| Lubrication | Soluble lubricant |
| Material | Copper |
| Nut Height | 0.141 |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium except insert and chromate except insert |
| Surface Treatment Specification | Cl 2 federal specification all treatment responses except insert type 2 qq-p-416 |
| Temperature Rating | 250.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJC |
| Thread Size | 0.138 |
| Width Across Flats | Between 0.305 inches and 0.313 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS679C06 NAS #6-32 · Iron
- NAS679C06MW NAS #6-32 · Iron
- NAS679C06W NAS #6-32 · Iron
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error